<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入商品名称" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="商品描述" prop="description">
        <el-input v-model="queryParams.description" placeholder="请输入商品描述" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="商品分类" prop="categoryId">
        <el-select v-model="queryParams.categoryId" >
          <el-option v-for="c in categoryList" :key="c.id" :value="c.id" :label="c.name"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="商品品牌" prop="brandId">
        <el-select v-model="queryParams.brandId">
          <el-option v-for="b in brandList" :key="b.id" :value="b.id" :label="b.name"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['product:goods:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['product:goods:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['product:goods:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['product:goods:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="goodsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品ID" align="center" prop="id" />
      <el-table-column label="商品名称" align="center" prop="name">
        <template slot-scope="scope">
          <el-popover trigger="hover" placement="top">
            <image-preview :src="i.img" v-if="i.type==0" v-for="i in scope.row.imageList" :width="30" :height="30"/>
            <p v-for="a in scope.row.attrValueList">{{a.attribute}}: {{ a.attrValue }}</p>
            <div slot="reference" class="name-wrapper">
              <el-tag size="medium">{{ scope.row.name }}</el-tag>
            </div>
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column label="商品描述" align="center" prop="description" />
      <el-table-column label="商品价格" align="center" prop="price" />
      <el-table-column label="商品库存" align="center" prop="stock" />
      <el-table-column label="商品分类ID" align="center">
        <el-select slot-scope="scope" v-model="scope.row.categoryId" disabled>
          <el-option v-for="c in categoryList" :key="c.id" :value="c.id" :label="c.name"></el-option>
        </el-select>
      </el-table-column>
      <el-table-column label="商品品牌ID" align="center">
        <el-select slot-scope="scope" v-model="scope.row.brandId" disabled="">
          <el-option v-for="b in brandList" :key="b.id" :value="b.id" :label="b.name"></el-option>
        </el-select>
      </el-table-column>
      <el-table-column label="商品状态" align="center">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.status" active-color="#13ce66" inactive-color="#ff4949" :active-value="1" :inactive-value="0">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template v-slot="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['product:goods:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['product:goods:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body>
      <el-row>
        <el-col :span="12"><div>
          <el-form ref="form" :model="form" :rules="rules" label-width="80px">
            <el-form-item label="商品名称" prop="name">
              <el-input v-model="form.name" placeholder="请输入商品名称" />
            </el-form-item>
            <el-form-item label="商品描述" prop="description">
              <el-input type="textarea" v-model="form.description" placeholder="请输入商品描述" />
            </el-form-item>
            <el-form-item label="商品价格" prop="price">
              <el-input v-model="form.price" placeholder="请输入商品价格" />
            </el-form-item>
            <el-form-item label="商品库存" prop="stock">
              <el-input v-model="form.stock" placeholder="请输入商品库存" />
            </el-form-item>
            <el-form-item label="商品品牌" prop="brandId">
              <el-select v-model="form.brandId">
                <el-option v-for="b in brandList" :key="b.id" :value="b.id" :label="b.name"></el-option>
              </el-select>
            </el-form-item>
            <el-form-item label="商品分类" prop="categoryId">
              <el-select v-model="form.categoryId">
                <el-option v-for="c in categoryList" :key="c.id" :value="c.id" :label="c.name"></el-option>
              </el-select>
            </el-form-item>
            <el-form-item label="是否上架" prop="stock">
              <el-switch v-model="form.status" active-color="#13ce66" inactive-color="#ff4949" :active-value="1" :inactive-value="0">
              </el-switch>
            </el-form-item>
            <el-divider content-position="center">商品属性与属性值关联信息</el-divider>
            <el-row :gutter="10" class="mb8">
              <el-col :span="1.5">
                <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddAttrValue">添加</el-button>
              </el-col>
              <el-col :span="1.5">
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteAttrValue">删除</el-button>
              </el-col>
            </el-row>
            <el-table :data="attrValueList" :row-class-name="rowAttrValueIndex" @selection-change="handleAttrValueSelectionChange" ref="attrValue">
              <el-table-column type="selection" width="50" align="center" />
              <el-table-column label="序号" align="center" prop="index" width="50"/>

              <el-table-column label="属性" prop="attribute" width="150">
                <template slot-scope="scope">
                  <el-input v-model="scope.row.attribute" placeholder="请输入属性" />
                </template>
              </el-table-column>
              <el-table-column label="属性值" prop="attrValue" width="150">
                <template slot-scope="scope">
                  <el-input v-model="scope.row.attrValue" placeholder="请输入属性值" />
                </template>
              </el-table-column>
            </el-table>
          </el-form>
        </div></el-col>
        <el-col :span="12"><div style="padding-left: 20px">
          <el-form ref="form" :model="form" :rules="rules" label-width="120px">
            <el-row :gutter="10" class="mb8">
              <el-col :span="1.5">
                <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddImages">添加</el-button>
              </el-col>
              <el-col :span="1.5">
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteImages">删除</el-button>
              </el-col>
            </el-row>
            <el-table :data="imageList" :row-class-name="rowImagesIndex" @selection-change="handleImageSelectionChange" ref="images">
              <el-table-column type="selection" width="50" align="center" />
              <el-table-column label="类型" prop="type" width="100">
                <template slot-scope="scope">
                  <el-select v-model="scope.row.type" placeholder="请选择类型">
                    <el-option value="0" label="广告图"></el-option>
                    <el-option value="1" label="详情图"></el-option>
                  </el-select>
                </template>
              </el-table-column>
              <el-table-column label="图片" prop="img" width="200">
                <template slot-scope="scope">
                  <image-upload v-model="scope.row.img" placeholder="图片"/>
                </template>
              </el-table-column>
              <el-table-column label="排序" prop="sort" width="80">
                <template slot-scope="scope">
                  <el-input v-model="scope.row.sort" placeholder="排序" />
                </template>
              </el-table-column>
            </el-table>
          </el-form>
        </div></el-col>
      </el-row>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listGoods, getGoods, delGoods, addGoods, updateGoods } from "@/api/product/goods";
import { listCategory } from "@/api/product/category";
import { listBrand } from "@/api/product/brand";
export default {
  name: "Goods",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedAttrValue: [],
      // 子表选中数据
      checkedImages: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品表格数据
      goodsList: [],
      // 商品属性与属性值关联表格数据
      attrValueList: [],
      // 商品图片格数据
      imageList:[],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        description: null,
        price: null,
        stock: null,
        categoryId: null,
        brandId: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "商品名称不能为空", trigger: "blur" }
        ],
        price: [
          { required: true, message: "商品价格不能为空", trigger: "blur" }
        ],
        categoryId: [
          { required: true, message: "商品分类ID不能为空", trigger: "blur" }
        ],
        brandId: [
          { required: true, message: "商品品牌ID不能为空", trigger: "blur" }
        ],
        createTime: [
          { required: true, message: "商品创建时间不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "商品状态不能为空", trigger: "change" }
        ]
      },
      categoryList:[],
      brandList:[]
    };
  },
  created() {
    this.getList();
    listBrand(this.queryParams).then(response => {
      this.brandList = response.rows;
    });
    listCategory().then(response => {
      this.categoryList = response.rows;
    });
  },
  methods: {
    /** 查询商品列表 */
    getList() {
      this.loading = true;
      listGoods(this.queryParams).then(response => {
        this.goodsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        description: null,
        price: null,
        stock: null,
        categoryId: null,
        brandId: null,
        createTime: null,
        updateTime: null,
        status: null
      };
      this.attrValueList = [];
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.imageList = row.imageList;
      this.reset();
      const id = row.id || this.ids
      getGoods(id).then(response => {
        this.form = response.data;
        this.attrValueList = response.data.attrValueList;
        this.open = true;
        this.title = "修改商品";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.attrValueList = this.attrValueList;
          this.form.imageList = this.imageList;
          if (this.form.id != null) {
            updateGoods(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addGoods(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除商品编号为"' + ids + '"的数据项？').then(function() {
        return delGoods(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
	/** 商品属性与属性值关联序号 */
    rowAttrValueIndex({ row, rowIndex }) {
      row.index = rowIndex + 1;
    },
    /** 商品属性与属性值关联序号 */
    rowImagesIndex({ row, rowIndex }) {
      row.index = rowIndex + 1;
    },
    /** 商品属性与属性值关联添加按钮操作 */
    handleAddAttrValue() {
      let obj = {};
      obj.attrValue = "";
      obj.attribute = "";
      this.attrValueList.push(obj);
    },
    /** 商品图片添加按钮操作 */
    handleAddImages() {
      let obj = {};
      obj.type = "";
      obj.img = "";
      obj.sort = ""
      this.imageList.push(obj);
    },
    /** 商品属性与属性值关联删除按钮操作 */
    handleDeleteAttrValue() {
      if (this.checkedImages.length == 0) {
        this.$modal.msgError("请先选择要删除的商品属性与属性值关联数据");
      } else {
        const attrValueList = this.attrValueList;
        const checkedAttrValue = this.checkedAttrValue;
        this.attrValueList = attrValueList.filter(function(item) {
          return checkedAttrValue.indexOf(item.index) == -1
        });
      }
    },/** 商品图片删除按钮操作 */
    handleDeleteImages() {
      if (this.checkedImages.length == 0) {
        this.$modal.msgError("请先选择要删除的商品图片数据");
      } else {
        const imageList = this.imageList;
        const checkedImages = this.checkedImages;
        this.imageList = imageList.filter(function(item) {
          return checkedImages.indexOf(item.index) == -1
        });
      }
    },
    /** 复选框选中数据 */
    handleAttrValueSelectionChange(selection) {
      this.checkedAttrValue = selection.map(item => item.index)
    },
    handleImageSelectionChange(selection) {
      this.checkedImages = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('product/goods/export', {
        ...this.queryParams
      }, `goods_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
